RARE Vintage RCA SAGI-012 Tube Amplifier Monoblock. This amp is untested as I dont know how to use it.I didnt plug it in because I didnt want to do any harm to it. If you have a serious offer please message me first. The item "RARE Vintage RCA SAGI-012 Tube Amplifier Monoblock" is in sale since Tuesday, December 22, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "rustycavs" and is located in Medina, Ohio. This item can be shipped to United States.